12 months & up. Toddlers and infants can clasp the six colorful rings easily, stack them on the wobbly base, and shake the rings with beads inside. Stacking and grasping the rings helps strengthen hand-eye coordination and dexterity, and promotes problem solving. Strengthens coordination and balance skills and encourages color exploration. Includes rocking base and 6 rings. Measures 11"L x 11"W x 16"H.